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Haldex Performance Controller
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Haldex Performance Controller ECU - Generation 2

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Fits: Golf Mk5 R32
Octavia Mk2 4x4
Audi S3 8P (pre-Facelift)

Performance Haldex Controller ECU - Generation 2

Most Mk5 Golf based 4motion / Quattro equipped cars use Haldex's second generation of AWD systems. The Gen 2 Sport controller takes into account the TPS signal more so than the OEM software and therefore can proactively begin applying power to the RWD clutch packs before wheel spin begins, and as power is increased, more power lock occurs in the RWD unit until full lock is achieved.

This product offers the following benefits:

  • Increases torque transmission at acceleration
  • Provides consistent performance with increased over-steer
  • Torque-transmission is influenced by how quickly you depress the accelerator
  • Transmits torque before the engine delivers torque
  • At greater speeds the torque will decrease enabling less over-steer and safer driving properties

Instead of the standard Blue Gen 2 controller, HPA Motorsports is proud to exclusively offer our "Stealth" Gen2 Sport Haldex controller. Identical in appearance to your stock controller, you can now enjoy all the benefits of this performance component without jeopardizing your power train warranty. The Stealth controller is undetectable by your dealership, both visually as well as through a scan of your Haldex all wheel drive system. By default, the controller is designed to be in Sport mode which transforms the handling characteristics of your AWD car by increasing torque transfer to the rear axle and giving more rear wheel bias.

With the installation of either a specially engineered wiring harness and switch or a wireless receiver and remote, you can have instant access to all three of the programs built into the controller; Stock, Sport, and Race.
As an enthusiastic driver you may not find yourself using Stock mode very often, but it will come in useful when loaning your car to an inexperienced driver, or when you are driving in slippery conditions and want to engage the conservative safety parameters set out by the factory.
Race mode will unleash further potential as it provides faster reaction time to vehicle inputs in the AWD communication system, and allows for even greater amounts of torque transfer to the rear axle.

Fits the following Vehicles: 

  • Audi A3 8P Quattro
  • Audi S3 8P Quattro (Pre-Facelift)
  • Audi TT Mk2 3.2 Quattro
  • Audi TT Mk2 2.0TDI Quattro
  • VW Golf Mk5 R32 4motion
  • VW Golf Mk5 2.0TDI 4motion
  • Skoda Octavia Mk2 4x4

Awesome GTI Delivery Information

Do we ship abroad ?

Yes we do, to almost anywhere in the world though remember the postage is often high when shipping anything bulky. Most bulky items we export will go by UPS so you can track the package online and could reach America within 48 hours providing its in stock !

However there are a few countries we do not ship to, some of these include: Thailand, Malaysia, Indonesia, Russia, Nigeria, Macedonia, Syria, Ukraine, Lebanon.

Why is postage on bulky items to some countries expensive compared to some other companies ?

For both yours and our safety we use well known couriers such as DPD Local and UPS for shipping, then we know exactly where it is in the world at any time and we know its going to arrive safely. Shipping small items can be cheap, but items such as bodykits are expensive to ship - we have a very small margin on the postage fees merely to cover packaging. We can now ship using standard post on some items, however using all methods you may incur import charges when you receive the goods for which we cant be responsible for.


Not everything on our website is in stock, if you need a part desperately please contact us first to confirm availability before placing your order

How do I place an order if I live within the UK ?

You can either order here in our online shop or you can phone us or email us, using the following number/address are below. Phone: 0161 776 0777 email:

How do I place an order if I live outside the UK ?

You can order online or by emailing us. email:

  • Parts/Transmission
  • Shop By Car/Skoda/Octavia Mk2 (1Z)
  • Shop By Car/Audi/TT Mk2 (8J)
  • Shop By Car/Volkswagen/Golf Mk5/Differentials
  • Shop By Car/Audi/A3 (8P 03-13)/Differentials
  • Shop By Car/Audi/S3 (8P)/Differentials

1 Review Hide Reviews Show Reviews

  • Haldex performance controller gen2

    Posted by Marc on 28th May 2019

    Very easy process from start to finish , from purchase on line to received in the post and finally fitting to the car. The controller is set on sport as standard which feels about right to me for road use , the controller came with every thing needed to fit it including instructions am very happy with my purchase.

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